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  <div>独自一行</div>
  <div>独自一行</div>
  <span>单行排列</span>
  <span>单行排列</span>
  <a href="#">超链接</a>
  <a href="https://www.baidu.com">百度</a>
  <a href="https://www.baidu.com" target="_blank">百度</a>
  <a mailto="">邮箱地址</a>
  <a tel="">电话号码</a>
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